(19)

(11)

EP 4 026 186 A2

(12)

(88) Date of publication A3: 24.06.2021 (43) Date of publication: 13.07.2022 Bulletin 2022/28 (21) Application number: 20880048.2 (22) Date of filing: 03.09.2020

(51) International Patent Classification (IPC):  H01M 10/24(2006.01) (52) Cooperative Patent Classification (CPC): H01M 4/366; H01M 4/244; H01M 10/30; H01M 4/48; H01M 4/628; H01M 4/625; H01M 4/0428; Y02E 60/10 (86) International application number: PCT/US2020/049142 (87) International publication number: WO 2021/080694 (29.04.2021 Gazette 2021/17)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 03.09.2019 US 201962895455 P (71) Applicant: Georgia Tech Research Corporation Atlanta, GA 30318 (US)	(72) Inventors: LIU, Nian Atlanta, Georgia 30318 (US) WU, Yutong Atlanta, Georgia 30318 (US) ZHANG, Yamin Atlanta, Georgia 30318 (US) (74) Representative: Youle, Peter James  Marks & Clerk LLP 1 New York Street Manchester M1 4HD Manchester M1 4HD (GB)